CA2122027C - Controleur d'intensite a masque metallique en couche mince pour laser - Google Patents
Controleur d'intensite a masque metallique en couche mince pour laser Download PDFInfo
- Publication number
- CA2122027C CA2122027C CA002122027A CA2122027A CA2122027C CA 2122027 C CA2122027 C CA 2122027C CA 002122027 A CA002122027 A CA 002122027A CA 2122027 A CA2122027 A CA 2122027A CA 2122027 C CA2122027 C CA 2122027C
- Authority
- CA
- Canada
- Prior art keywords
- photodetector
- laser
- transparent window
- mask
- aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010409 thin film Substances 0.000 title claims description 28
- 238000012544 monitoring process Methods 0.000 title claims description 24
- 239000011521 glass Substances 0.000 claims abstract description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052594 sapphire Inorganic materials 0.000 claims abstract 7
- 239000010980 sapphire Substances 0.000 claims abstract 7
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims 6
- 229920002799 BoPET Polymers 0.000 description 12
- 239000005041 Mylar™ Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- GDOPTJXRTPNYNR-UHFFFAOYSA-N methyl-cyclopentane Natural products CC1CCCC1 GDOPTJXRTPNYNR-UHFFFAOYSA-N 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 241000448280 Elates Species 0.000 description 1
- 206010041235 Snoring Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000001659 ion-beam spectroscopy Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4257—Photometry, e.g. photographic exposure meter using electric radiation detectors applied to monitoring the characteristics of a beam, e.g. laser beam, headlamp beam
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/58—Turn-sensitive devices without moving masses
- G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
- G01C19/66—Ring laser gyrometers
- G01C19/661—Ring laser gyrometers details
- G01C19/662—Ring laser gyrometers details signal readout; dither compensators
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Gyroscopes (AREA)
- Lasers (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/843,756 | 1992-02-28 | ||
| US07/843,756 US5371592A (en) | 1992-02-28 | 1992-02-28 | Laser intensity monitoring apparatus with metallic thin film mask |
| PCT/US1993/002215 WO1993017310A1 (fr) | 1992-02-28 | 1993-02-26 | Appareil de surveillance de l'intensite d'un laser, comportant un masque metallique en couche mince |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2122027A1 CA2122027A1 (fr) | 1993-09-02 |
| CA2122027C true CA2122027C (fr) | 2002-12-17 |
Family
ID=25290928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002122027A Expired - Fee Related CA2122027C (fr) | 1992-02-28 | 1993-02-26 | Controleur d'intensite a masque metallique en couche mince pour laser |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5371592A (fr) |
| EP (1) | EP0628158A1 (fr) |
| JP (1) | JPH07504269A (fr) |
| CA (1) | CA2122027C (fr) |
| WO (1) | WO1993017310A1 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3556665B2 (ja) * | 1993-01-29 | 2004-08-18 | ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー | 光学装置パッケージ |
| US6406578B1 (en) * | 1999-10-19 | 2002-06-18 | Honeywell Inc. | Seal and method of making same for gas laser |
| US20020089670A1 (en) * | 2000-08-11 | 2002-07-11 | Mortenson Douglas P. | Photodetector for ring laser gyros |
| US20040183003A1 (en) * | 2003-03-21 | 2004-09-23 | Mohammad Eslamy | Localized hermetic sealing of a power monitor on a planar light circuit |
| US20080304076A1 (en) * | 2007-06-11 | 2008-12-11 | Honeywell International Inc. | Systems and methods for packaging and mounting readout and laser intensity monitor sensors |
| JP5697461B2 (ja) | 2011-01-17 | 2015-04-08 | ユニチカ株式会社 | ポリエステルフィルム、および感光性樹脂構造体 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4152072A (en) * | 1977-02-02 | 1979-05-01 | Litton Systems, Inc. | Photosensitive diodes for simplified optical heterodyning and cavity length control |
| US4444502A (en) * | 1981-06-04 | 1984-04-24 | The Singer Company | Ring laser gyroscope with fiber optic beam combiner |
| US4514832A (en) * | 1982-09-23 | 1985-04-30 | Rockwell International Corporation | Single mirror ring laser gyro readout without combining optics |
| GB2156070B (en) * | 1984-03-09 | 1988-01-06 | British Aerospace | Ring laser gyroscopes |
| IL78398A (en) * | 1985-05-10 | 1990-01-18 | Honeywell Inc | Readout apparatus for a laser angular rate sensor |
| US4676643A (en) * | 1985-10-04 | 1987-06-30 | Rockwell International Corporation | Ring laser gyro readout assembly simplification with adjustment capability |
| FR2645262B1 (fr) * | 1989-03-30 | 1991-07-26 | Salaberry Bernard De | Dispositif de mesure de position des faisceaux lumineux pour gyrometre a laser |
-
1992
- 1992-02-28 US US07/843,756 patent/US5371592A/en not_active Expired - Lifetime
-
1993
- 1993-02-26 WO PCT/US1993/002215 patent/WO1993017310A1/fr not_active Application Discontinuation
- 1993-02-26 CA CA002122027A patent/CA2122027C/fr not_active Expired - Fee Related
- 1993-02-26 EP EP93907419A patent/EP0628158A1/fr not_active Ceased
- 1993-02-26 JP JP5515145A patent/JPH07504269A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US5371592A (en) | 1994-12-06 |
| WO1993017310A1 (fr) | 1993-09-02 |
| JPH07504269A (ja) | 1995-05-11 |
| CA2122027A1 (fr) | 1993-09-02 |
| EP0628158A1 (fr) | 1994-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |